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Finding the Fourth Proportional to 507.07, 760.79 and 352.91

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Solution

The fourth proportional to 507.07, 760.79 and 352.91 is: 529.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    507.07 : 760.79 = 352.91 : x
  2. Step 2: Convert to fraction form
    507.07/760.79 = 352.91/x
  3. Step 3: Cross multiply
    507.07x = 760.79 × 352.91
  4. Step 4: Simplify right side
    507.07x = 268,490.40
  5. Step 5: Solve for x
    x = 268,490.40/507.07
  6. Step 6: Final answer
    x = 529.49

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1.5x scale

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.