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Finding the Fourth Proportional to 601.21, 829.74 and 414.64

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Solution

The fourth proportional to 601.21, 829.74 and 414.64 is: 572.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    601.21 : 829.74 = 414.64 : x
  2. Step 2: Convert to fraction form
    601.21/829.74 = 414.64/x
  3. Step 3: Cross multiply
    601.21x = 829.74 × 414.64
  4. Step 4: Simplify right side
    601.21x = 344,043.39
  5. Step 5: Solve for x
    x = 344,043.39/601.21
  6. Step 6: Final answer
    x = 572.25

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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.