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Finding the Fourth Proportional to 560.19, 767.58 and 551.99

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Solution

The fourth proportional to 560.19, 767.58 and 551.99 is: 756.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    560.19 : 767.58 = 551.99 : x
  2. Step 2: Convert to fraction form
    560.19/767.58 = 551.99/x
  3. Step 3: Cross multiply
    560.19x = 767.58 × 551.99
  4. Step 4: Simplify right side
    560.19x = 423,694.17
  5. Step 5: Solve for x
    x = 423,694.17/560.19
  6. Step 6: Final answer
    x = 756.34

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.