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Finding the Fourth Proportional to 631.06, 950.10 and 554.51

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Solution

The fourth proportional to 631.06, 950.10 and 554.51 is: 834.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    631.06 : 950.10 = 554.51 : x
  2. Step 2: Convert to fraction form
    631.06/950.10 = 554.51/x
  3. Step 3: Cross multiply
    631.06x = 950.10 × 554.51
  4. Step 4: Simplify right side
    631.06x = 526,840.25
  5. Step 5: Solve for x
    x = 526,840.25/631.06
  6. Step 6: Final answer
    x = 834.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.