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Finding the Fourth Proportional to 700.77, 967.74 and 635.16

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Solution

The fourth proportional to 700.77, 967.74 and 635.16 is: 877.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    700.77 : 967.74 = 635.16 : x
  2. Step 2: Convert to fraction form
    700.77/967.74 = 635.16/x
  3. Step 3: Cross multiply
    700.77x = 967.74 × 635.16
  4. Step 4: Simplify right side
    700.77x = 614,664.90
  5. Step 5: Solve for x
    x = 614,664.90/700.77
  6. Step 6: Final answer
    x = 877.13

Related Problems

Find fourth proportional to 350.38, 483.87 and 317.58
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.