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Finding the Fourth Proportional to 507.80, 701.58 and 468.92

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Solution

The fourth proportional to 507.80, 701.58 and 468.92 is: 647.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    507.80 : 701.58 = 468.92 : x
  2. Step 2: Convert to fraction form
    507.80/701.58 = 468.92/x
  3. Step 3: Cross multiply
    507.80x = 701.58 × 468.92
  4. Step 4: Simplify right side
    507.80x = 328,984.89
  5. Step 5: Solve for x
    x = 328,984.89/507.80
  6. Step 6: Final answer
    x = 647.86

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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.