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Finding the Fourth Proportional to 704.76, 973.02 and 530.88

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Solution

The fourth proportional to 704.76, 973.02 and 530.88 is: 732.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    704.76 : 973.02 = 530.88 : x
  2. Step 2: Convert to fraction form
    704.76/973.02 = 530.88/x
  3. Step 3: Cross multiply
    704.76x = 973.02 × 530.88
  4. Step 4: Simplify right side
    704.76x = 516,556.86
  5. Step 5: Solve for x
    x = 516,556.86/704.76
  6. Step 6: Final answer
    x = 732.95

Related Problems

Find fourth proportional to 352.38, 486.51 and 265.44
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.