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Finding the Fourth Proportional to 633.93, 870.18 and 584.73

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Solution

The fourth proportional to 633.93, 870.18 and 584.73 is: 802.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    633.93 : 870.18 = 584.73 : x
  2. Step 2: Convert to fraction form
    633.93/870.18 = 584.73/x
  3. Step 3: Cross multiply
    633.93x = 870.18 × 584.73
  4. Step 4: Simplify right side
    633.93x = 508,820.35
  5. Step 5: Solve for x
    x = 508,820.35/633.93
  6. Step 6: Final answer
    x = 802.64

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Find fourth proportional to 316.97, 435.09 and 292.37
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 (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.