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Finding the Fourth Proportional to 551.48, 760.26 and 376.52

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Solution

The fourth proportional to 551.48, 760.26 and 376.52 is: 519.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    551.48 : 760.26 = 376.52 : x
  2. Step 2: Convert to fraction form
    551.48/760.26 = 376.52/x
  3. Step 3: Cross multiply
    551.48x = 760.26 × 376.52
  4. Step 4: Simplify right side
    551.48x = 286,253.10
  5. Step 5: Solve for x
    x = 286,253.10/551.48
  6. Step 6: Final answer
    x = 519.06

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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.