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Finding the Fourth Proportional to 372.91, 560.25 and 352.19

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Solution

The fourth proportional to 372.91, 560.25 and 352.19 is: 529.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    372.91 : 560.25 = 352.19 : x
  2. Step 2: Convert to fraction form
    372.91/560.25 = 352.19/x
  3. Step 3: Cross multiply
    372.91x = 560.25 × 352.19
  4. Step 4: Simplify right side
    372.91x = 197,312.69
  5. Step 5: Solve for x
    x = 197,312.69/372.91
  6. Step 6: Final answer
    x = 529.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.