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Finding the Fourth Proportional to 372.68, 560.29 and 304.70

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Solution

The fourth proportional to 372.68, 560.29 and 304.70 is: 458.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    372.68 : 560.29 = 304.70 : x
  2. Step 2: Convert to fraction form
    372.68/560.29 = 304.70/x
  3. Step 3: Cross multiply
    372.68x = 560.29 × 304.70
  4. Step 4: Simplify right side
    372.68x = 170,716.04
  5. Step 5: Solve for x
    x = 170,716.04/372.68
  6. Step 6: Final answer
    x = 458.08

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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.