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Finding the Fourth Proportional to 603.24, 900.51 and 558.15

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Solution

The fourth proportional to 603.24, 900.51 and 558.15 is: 833.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    603.24 : 900.51 = 558.15 : x
  2. Step 2: Convert to fraction form
    603.24/900.51 = 558.15/x
  3. Step 3: Cross multiply
    603.24x = 900.51 × 558.15
  4. Step 4: Simplify right side
    603.24x = 502,619.66
  5. Step 5: Solve for x
    x = 502,619.66/603.24
  6. Step 6: Final answer
    x = 833.20

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.