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Finding the Fourth Proportional to 615.77, 924.44 and 372.77

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Solution

The fourth proportional to 615.77, 924.44 and 372.77 is: 559.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    615.77 : 924.44 = 372.77 : x
  2. Step 2: Convert to fraction form
    615.77/924.44 = 372.77/x
  3. Step 3: Cross multiply
    615.77x = 924.44 × 372.77
  4. Step 4: Simplify right side
    615.77x = 344,597.01
  5. Step 5: Solve for x
    x = 344,597.01/615.77
  6. Step 6: Final answer
    x = 559.62

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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.