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Finding the Fourth Proportional to 507.84, 759.58 and 470.95

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Solution

The fourth proportional to 507.84, 759.58 and 470.95 is: 704.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    507.84 : 759.58 = 470.95 : x
  2. Step 2: Convert to fraction form
    507.84/759.58 = 470.95/x
  3. Step 3: Cross multiply
    507.84x = 759.58 × 470.95
  4. Step 4: Simplify right side
    507.84x = 357,721.12
  5. Step 5: Solve for x
    x = 357,721.12/507.84
  6. Step 6: Final answer
    x = 704.40

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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.