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Finding the Fourth Proportional to 616.55, 924.83 and 251.38

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Solution

The fourth proportional to 616.55, 924.83 and 251.38 is: 377.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    616.55 : 924.83 = 251.38 : x
  2. Step 2: Convert to fraction form
    616.55/924.83 = 251.38/x
  3. Step 3: Cross multiply
    616.55x = 924.83 × 251.38
  4. Step 4: Simplify right side
    616.55x = 232,482.08
  5. Step 5: Solve for x
    x = 232,482.08/616.55
  6. Step 6: Final answer
    x = 377.07

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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.