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Finding the Fourth Proportional to 535.66, 738.57 and 498.76

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Solution

The fourth proportional to 535.66, 738.57 and 498.76 is: 687.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    535.66 : 738.57 = 498.76 : x
  2. Step 2: Convert to fraction form
    535.66/738.57 = 498.76/x
  3. Step 3: Cross multiply
    535.66x = 738.57 × 498.76
  4. Step 4: Simplify right side
    535.66x = 368,366.39
  5. Step 5: Solve for x
    x = 368,366.39/535.66
  6. Step 6: Final answer
    x = 687.68

Related Problems

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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.