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Finding the Fourth Proportional to 535.79, 739.44 and 336.77

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Solution

The fourth proportional to 535.79, 739.44 and 336.77 is: 464.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    535.79 : 739.44 = 336.77 : x
  2. Step 2: Convert to fraction form
    535.79/739.44 = 336.77/x
  3. Step 3: Cross multiply
    535.79x = 739.44 × 336.77
  4. Step 4: Simplify right side
    535.79x = 249,017.72
  5. Step 5: Solve for x
    x = 249,017.72/535.79
  6. Step 6: Final answer
    x = 464.77

Related Problems

Find fourth proportional to 267.89, 369.72 and 168.38
Half scale
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Double scale
Find fourth proportional to 536.79, 740.82 and 337.77
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.