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Finding the Fourth Proportional to 624.93, 862.49 and 373.00

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Solution

The fourth proportional to 624.93, 862.49 and 373.00 is: 514.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    624.93 : 862.49 = 373.00 : x
  2. Step 2: Convert to fraction form
    624.93/862.49 = 373.00/x
  3. Step 3: Cross multiply
    624.93x = 862.49 × 373.00
  4. Step 4: Simplify right side
    624.93x = 321,707.55
  5. Step 5: Solve for x
    x = 321,707.55/624.93
  6. Step 6: Final answer
    x = 514.79

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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.