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Finding the Fourth Proportional to 616.83, 848.08 and 549.81

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Solution

The fourth proportional to 616.83, 848.08 and 549.81 is: 755.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    616.83 : 848.08 = 549.81 : x
  2. Step 2: Convert to fraction form
    616.83/848.08 = 549.81/x
  3. Step 3: Cross multiply
    616.83x = 848.08 × 549.81
  4. Step 4: Simplify right side
    616.83x = 466,283.55
  5. Step 5: Solve for x
    x = 466,283.55/616.83
  6. Step 6: Final answer
    x = 755.94

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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.