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Finding the Fourth Proportional to 562.86, 848.79 and 555.16

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Solution

The fourth proportional to 562.86, 848.79 and 555.16 is: 837.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.86 : 848.79 = 555.16 : x
  2. Step 2: Convert to fraction form
    562.86/848.79 = 555.16/x
  3. Step 3: Cross multiply
    562.86x = 848.79 × 555.16
  4. Step 4: Simplify right side
    562.86x = 471,214.26
  5. Step 5: Solve for x
    x = 471,214.26/562.86
  6. Step 6: Final answer
    x = 837.18

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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.