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Finding the Fourth Proportional to 572.59, 790.32 and 362.89

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Solution

The fourth proportional to 572.59, 790.32 and 362.89 is: 500.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    572.59 : 790.32 = 362.89 : x
  2. Step 2: Convert to fraction form
    572.59/790.32 = 362.89/x
  3. Step 3: Cross multiply
    572.59x = 790.32 × 362.89
  4. Step 4: Simplify right side
    572.59x = 286,799.22
  5. Step 5: Solve for x
    x = 286,799.22/572.59
  6. Step 6: Final answer
    x = 500.88

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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.