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Finding the Fourth Proportional to 410.68, 612.50 and 373.96

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Solution

The fourth proportional to 410.68, 612.50 and 373.96 is: 557.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    410.68 : 612.50 = 373.96 : x
  2. Step 2: Convert to fraction form
    410.68/612.50 = 373.96/x
  3. Step 3: Cross multiply
    410.68x = 612.50 × 373.96
  4. Step 4: Simplify right side
    410.68x = 229,050.50
  5. Step 5: Solve for x
    x = 229,050.50/410.68
  6. Step 6: Final answer
    x = 557.73

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.