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Finding the Fourth Proportional to 603.17, 904.76 and 572.39

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Solution

The fourth proportional to 603.17, 904.76 and 572.39 is: 858.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    603.17 : 904.76 = 572.39 : x
  2. Step 2: Convert to fraction form
    603.17/904.76 = 572.39/x
  3. Step 3: Cross multiply
    603.17x = 904.76 × 572.39
  4. Step 4: Simplify right side
    603.17x = 517,872.71
  5. Step 5: Solve for x
    x = 517,872.71/603.17
  6. Step 6: Final answer
    x = 858.59

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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.