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Finding the Fourth Proportional to 535.60, 739.72 and 370.32

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Solution

The fourth proportional to 535.60, 739.72 and 370.32 is: 511.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    535.60 : 739.72 = 370.32 : x
  2. Step 2: Convert to fraction form
    535.60/739.72 = 370.32/x
  3. Step 3: Cross multiply
    535.60x = 739.72 × 370.32
  4. Step 4: Simplify right side
    535.60x = 273,933.11
  5. Step 5: Solve for x
    x = 273,933.11/535.60
  6. Step 6: Final answer
    x = 511.45

Related Problems

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Double scale
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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.