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Finding the Fourth Proportional to 549.99, 824.70 and 203.07

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Solution

The fourth proportional to 549.99, 824.70 and 203.07 is: 304.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    549.99 : 824.70 = 203.07 : x
  2. Step 2: Convert to fraction form
    549.99/824.70 = 203.07/x
  3. Step 3: Cross multiply
    549.99x = 824.70 × 203.07
  4. Step 4: Simplify right side
    549.99x = 167,471.83
  5. Step 5: Solve for x
    x = 167,471.83/549.99
  6. Step 6: Final answer
    x = 304.50

Related Problems

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.