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Finding the Fourth Proportional to 581.62, 873.26 and 510.34

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Solution

The fourth proportional to 581.62, 873.26 and 510.34 is: 766.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    581.62 : 873.26 = 510.34 : x
  2. Step 2: Convert to fraction form
    581.62/873.26 = 510.34/x
  3. Step 3: Cross multiply
    581.62x = 873.26 × 510.34
  4. Step 4: Simplify right side
    581.62x = 445,659.51
  5. Step 5: Solve for x
    x = 445,659.51/581.62
  6. Step 6: Final answer
    x = 766.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.