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Finding the Fourth Proportional to 942.77, 1,301.39 and 593.39

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Solution

The fourth proportional to 942.77, 1,301.39 and 593.39 is: 819.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    942.77 : 1,301.39 = 593.39 : x
  2. Step 2: Convert to fraction form
    942.77/1,301.39 = 593.39/x
  3. Step 3: Cross multiply
    942.77x = 1,301.39 × 593.39
  4. Step 4: Simplify right side
    942.77x = 772,222.34
  5. Step 5: Solve for x
    x = 772,222.34/942.77
  6. Step 6: Final answer
    x = 819.10

Related Problems

Find fourth proportional to 471.38, 650.69 and 296.69
Half scale
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Double scale
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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.