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Finding the Fourth Proportional to 616.75, 848.55 and 533.59

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Solution

The fourth proportional to 616.75, 848.55 and 533.59 is: 734.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    616.75 : 848.55 = 533.59 : x
  2. Step 2: Convert to fraction form
    616.75/848.55 = 533.59/x
  3. Step 3: Cross multiply
    616.75x = 848.55 × 533.59
  4. Step 4: Simplify right side
    616.75x = 452,777.79
  5. Step 5: Solve for x
    x = 452,777.79/616.75
  6. Step 6: Final answer
    x = 734.14

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1.5x scale

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.