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Finding the Fourth Proportional to 424.96, 586.43 and 277.50

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Solution

The fourth proportional to 424.96, 586.43 and 277.50 is: 382.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    424.96 : 586.43 = 277.50 : x
  2. Step 2: Convert to fraction form
    424.96/586.43 = 277.50/x
  3. Step 3: Cross multiply
    424.96x = 586.43 × 277.50
  4. Step 4: Simplify right side
    424.96x = 162,732.94
  5. Step 5: Solve for x
    x = 162,732.94/424.96
  6. Step 6: Final answer
    x = 382.94

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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.