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Finding the Fourth Proportional to 507.16, 760.40 and 160.38

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Solution

The fourth proportional to 507.16, 760.40 and 160.38 is: 240.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    507.16 : 760.40 = 160.38 : x
  2. Step 2: Convert to fraction form
    507.16/760.40 = 160.38/x
  3. Step 3: Cross multiply
    507.16x = 760.40 × 160.38
  4. Step 4: Simplify right side
    507.16x = 121,952.95
  5. Step 5: Solve for x
    x = 121,952.95/507.16
  6. Step 6: Final answer
    x = 240.46

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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.