Home / 542-813-157.26

Finding the Fourth Proportional to 542, 813 and 157.26

Calculator

Solution

The fourth proportional to 542, 813 and 157.26 is: 235.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    542 : 813 = 157.26 : x
  2. Step 2: Convert to fraction form
    542/813 = 157.26/x
  3. Step 3: Cross multiply
    542x = 813 × 157.26
  4. Step 4: Simplify right side
    542x = 127,852.38
  5. Step 5: Solve for x
    x = 127,852.38/542
  6. Step 6: Final answer
    x = 235.89

Related Problems

Find fourth proportional to 271, 406.50 and 78.63
Half scale
Find fourth proportional to 1,084, 1,626 and 314.52
Double scale
Find fourth proportional to 543, 814.50 and 158.26
Similar ratio
Find fourth proportional to 813, 1,219.50 and 235.89
1.5x scale

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.