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Finding the Fourth Proportional to 616.66, 849.18 and 603.04

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Solution

The fourth proportional to 616.66, 849.18 and 603.04 is: 830.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    616.66 : 849.18 = 603.04 : x
  2. Step 2: Convert to fraction form
    616.66/849.18 = 603.04/x
  3. Step 3: Cross multiply
    616.66x = 849.18 × 603.04
  4. Step 4: Simplify right side
    616.66x = 512,089.51
  5. Step 5: Solve for x
    x = 512,089.51/616.66
  6. Step 6: Final answer
    x = 830.42

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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.