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Finding the Fourth Proportional to 653.03, 979.57 and 166.08

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Solution

The fourth proportional to 653.03, 979.57 and 166.08 is: 249.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    653.03 : 979.57 = 166.08 : x
  2. Step 2: Convert to fraction form
    653.03/979.57 = 166.08/x
  3. Step 3: Cross multiply
    653.03x = 979.57 × 166.08
  4. Step 4: Simplify right side
    653.03x = 162,686.99
  5. Step 5: Solve for x
    x = 162,686.99/653.03
  6. Step 6: Final answer
    x = 249.13

Related Problems

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Half scale
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Double scale
Find fourth proportional to 654.03, 981.07 and 167.08
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.